<template>
  <view class="my-settle-container">
    <label class="radio" @click="changeAllState">
      <radio color="#c00000" :checked="isFullCheck"/><text>全选</text>
    </label>
    <view class="amount-box">
      合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <view class="btn-settle" @click="settlement">
      结算（{{checkedCount}}）
    </view>
  </view>
</template>

<script>
  import {mapGetters,mapMutations,mapState} from 'vuex'
  export default {
    name:"my-settle",
    data() {
      return {
        seconds:3,
        timer:null
      };
    },
    computed:{
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addressStr']),
      ...mapState('m_user',['token']),
      ...mapState('m_cart',['cart']),
      isFullCheck(){
        return this.checkedCount===this.total
      }
    },
    methods:{
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      changeAllState(){
        this.updateAllGoodsState(!this.isFullCheck)
      },
      settlement(){
        if(!this.checkedCount){
          return uni.$showMsg('请选择要结算的商品！')
        }
        if(!this.addressStr){
          return uni.$showMsg('请选择收货地址！')
        }
        if(!this.token){
          
          return this.delayNavigate()
        }
        this.payOrder()
      },
      // 微信支付
      async payOrder() {
        //  创建订单
        // 组织订单的信息对象
        const orderInfo = {
          // 开发期间，注释掉真实的订单价格，
          // order_price: this.checkedGoodsAmount,
          // 写死订单总价为 1 分钱
          order_price: 0.01,
          consignee_addr: this.addstr,
          goods: this.cart.filter(x => x.goods_state).map(x => ({ goods_id: x.goods_id, goods_number: x.goods_count, goods_price: x.goods_price }))
        }
        // 发起请求创建订单
        const { data: res } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
        if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
        //得到服务器响应的“订单编号”
        const orderNumber = res.message.order_number
      
         // 订单预支付
         // 发起请求获取订单的支付信息
         const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
         // 预付订单生成失败
         if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
         // 得到订单支付相关的必要参数
         const payInfo = res2.message.pay
      
         //发起微信支付
         // 调用 uni.requestPayment() 发起微信支付
         const [err, succ] = await uni.requestPayment(payInfo)
         // 未完成支付
         if (err) return uni.$showMsg('订单未支付！')
         // 完成了支付，进一步查询支付的结果
         const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
         // 检测到订单未支付
         if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
         // 检测到订单支付完成
         uni.showToast({
           title: '支付完成！',
           icon: 'success'
         })
       },
      showTips(n){
        uni.showToast({
          icon:'none',
          title:'请登录后再结算！' + n + ' 秒后自动跳转到登录页',
          mask:true,
          duration:1500
        })
      },
      // 延迟几秒跳转
      delayNavigate(){
        console.log('delay');
        this.seconds=3
        this.showTips(this.seconds)
        this.timer= setInterval(()=>{
          this.seconds=this.seconds-1
          
          if(this.seconds<=0){
            clearInterval(this.timer)
            uni.switchTab({
              url:'/pages/my/my',
              success: () => {
                this.updateRedirectInfo({
                  from:'/pages/cart/cart',
                  openType:'switchTab'
                })
              }
            })
            return
          }
          this.showTips(this.seconds)
        },1000)
        
      }
           
    }
  }
</script>

<style lang="scss">
  .my-settle-container{
    display: flex;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 999;
    padding-left: 5px;
    height: 50px;
    width: 100%;
    background-color: white;
    font-size: 14px;
    .radio{
      display: flex;
      align-items: center;
    }
    .amount-box{
      display: flex;
      align-items: center;
      .amount{
        color: #c00000;
        font-weight: 600;
      }
    }
    .btn-settle{
      min-width: 100px;
      height: 50px;
      padding: 0 10px;
      color: white;
      text-align: center;
      line-height: 50px;
      background-color: #c00000;
    }
  }
</style>